China High Quality 50mm Ball Valve Manufacturer – Flange Ball Valve include Floating Flange Ball Valve, Trunnion Flange Ball Valve, Cast Flange Ball Valve, NSW Ball Valve – UNIQUE

Body Materials

Forged: A105, A182 F304, F304L, F316, F316L, F51, F53, A350 LF2, LF3, LF5, Monel, Inconel, Hastelloy.
Casting: A216 WCB, A351 CF3, CF8, CF3M, CF8M, A995 4A, 5A, A352 LCB, LCC, LC2
Operate: Manual, Worm gear, Pneumatic, Electric-Motorized
Applicable Temperature: ≤120℃(PTFE), ≤80℃(NYLON), ≤ 250℃(PEEK), ≤ 250℃(PPL)
Medium: Water, Steam Oil, Gas, Liquefied Gas, Natural Gas, Nitric Acid, Acetic Acid, Strong Oxidizer, Urea etc.
Application Standards
Design and Manufacture：API 6D, API 608, ISO 17292
Face to Face: ASME B16.10, API 6D
End Connection: ASME B16.5, ASME B 16.47, ASME B16.25
Test and Inspection: API 598, API6D
Fire Safety: API 6FA, API 607
NACE MR-0175, NACE MR-0103, ISO 15848
End Connection: Flange (RF, FF, RFJ)
Design 1: Full Bore, Reduce Bore
Design 2: Side Entry, Top Entry
Design 3: Double Block & Bleed (DBB)，Double Isolation & Bleed (DIB)

Structure Features

●Fireproof Structure Design
●Reliable Sealing of Valve Stem
●Anti-static Structure
●Lock And Misoperation Prevention
●Double Block And Bleed (DBB)
●Low Operating Torque
●Emergency Sealing Device
●Sealant Injection Device
●Reliable Seat Sealing Structure
●Single Sealing (Automatic Pressure Relief In Middle Cavity Of Valve)
●Double Sealing (Double Piston)
●Safety Relief Device
●Secial Structure of Automatic Pressure Relief Towards Upper Stream
●Blow out Proof Stem
●Corrosion Resistance And Sulfide Stress Resistance
●Extension Stem

Application

● Water Treatment Plant ● Drilling Rigs
● Paper Industry ● Gas Plant
● Sugar Industry ● Cooling Water Circulation
● Breweries ● Heating & Air Conditioning
● Chemical Industry ● Pneumatic Conveyors
● Waste Effluent Treatment Plant ● Compressed Air